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检索条件"机构=Key Laboratories of Data Engineering and Knowledge Engineering"
1111 条 记 录,以下是991-1000 订阅
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An Adaptive Method for the Efficient Similarity Calculation
An Adaptive Method for the Efficient Similarity Calculation
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14th International Conference on database Systems for Advanced Applications
作者: Cai, Yuanzhe Liu, Hongyan He, Jun Du, Xiaoyong Jia, Xu Key Labs of Data Engineering and Knowledge Engineering MOE China School of Information Renmin University of China China Department of Management Science and Engineering Tsinghua University China
SimRank is a well-known algorithm for similarity calculation based on object-to-object relationship. However, it suffers from high computation cost. Inthis paper, we find that the convergence behavior of different obj... 详细信息
来源: 评论
Simulation of main memory database parallel recovery  09
Simulation of main memory database parallel recovery
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2009 Spring Simulation Multiconference, SpringSim 2009
作者: Qin, Xiongpai Cao, Wei Wang, Shan Key Laboratory of Data Engineering and Knowledge Engineering School of Information Renmin University of China MOE Beijing100872 China
The paper describes the details of using J-SIM in main memory database parallel recovery simulation. In update intensive main memory database systems, I/O is still the dominant performance bottleneck. A proposal of pa... 详细信息
来源: 评论
Lightweight data mining based database system self-optimization: A case study
Lightweight data mining based database system self-optimizat...
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Joint International Conference on Advances in data and Web Management, APWeb/WAIM 2009
作者: Qin, Xiongpai Cao, Wei Wang, Shan Key Laboratory of Data Engineering and Knowledge Engineering School of Information Renmin University of China MOE Beijing 100872 China
With the system becoming more complex and workloads becoming more fluctuating, it is very hard for DBA to quickly analyze performance data and optimize the system, self optimization is a promising technique. A data mi... 详细信息
来源: 评论
COP: Privacy-preserving multidimensional partition in DAS paradigm  09
COP: Privacy-preserving multidimensional partition in DAS pa...
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2009 International Conference on Extending database Technology/International Conference on database Theory Workshops, EDBT/ICDT '09
作者: Wang, Jieping Du, Xiaoyong Wang, Haocong Yang, Pingping Key Laboratory of Data Engineering and Knowledge Engineering MOE China School of Information Renmin University of China Beijing 100872 China
database-as-a-Service (DAS) is an emerging database management paradigm wherein partition based index is an effective way to querying encrypted data. However, previous research either focuses on one-dimensional partit... 详细信息
来源: 评论
Assessing the Influence Probability between Objects: A Random Walker Approach
Assessing the Influence Probability between Objects: A Rando...
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IEEE Symposium on Computational Intelligence and data Mining
作者: Li, Pei Li, Zhixu He, Jun Du, Xiaoyong Liu, Hongyan Key Labs of Data Engineering and Knowledge Engineering MOE China and School of Information Renmin University of China Beijing China Department of Management Science and Engineering Tsinghua University Beijing China
Influence between objects needs to be assessed in many applications. Lots of measures have been proposed, but a domain-independent method is still expected. In this paper, we give a probabilistic definition of influen... 详细信息
来源: 评论
Fault-tolerant routing: κ-inconnected many-to-one routing in wireless networks
Fault-tolerant routing: κ-inconnected many-to-one routing i...
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3rd International Conference on Combinatorial Optimization and Applications, COCOA 2009
作者: Li, Deying Zhu, Qinghua Yang, Huiqiang School of Information Renmin University of China Beijing China Key Laboratory of Data Engineering and Knowledge Engineering Renmin University of China MOE China
This paper addresses the problem of fault-tolerant many-to-one routing in static wireless networks with asymmetric links, which is important in both theoretical and practical aspects. The problem is to find a minimum ... 详细信息
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Region extreme value query in sensor networks
Region extreme value query in sensor networks
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6th International Conference on Fuzzy Systems and knowledge Discovery, FSKD 2009
作者: Wu, Zhongbo Chen, Hong School of Information Renmin University of China Beijing 100872 China MOE Key Lab. of Data Engineering and Knowledge Engineering Beijing 100872 China
Existing research on extreme value query in wireless sensor networks is mainly focus on finding out sensors with highest metric. Yet in most actually scenarios, people cares more about special network regions than det... 详细信息
来源: 评论
Using link-based content analysis to measure document similarity effectively
Using link-based content analysis to measure document simila...
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Joint International Conference on Advances in data and Web Management, APWeb/WAIM 2009
作者: Li, Pei Li, Zhixu Liu, Hongyan He, Jun Du, Xiaoyong Key Labs of Data Engineering and Knowledge Engineering Ministry of Education China School of Information Renmin University of China Beijing China Department of Management Science and Engineering Tsinghua University Beijing China
Along with a massive amount of information being placed online, it is a challenge to exploit the internal and external information of documents when assessing similarity between them. A variety of approaches have been... 详细信息
来源: 评论
Exploiting the block structure of link graph for efficient similarity computation
Exploiting the block structure of link graph for efficient s...
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13th Pacific-Asia Conference on knowledge Discovery and data Mining, PAKDD 2009
作者: Pei, Li Yuanzhe, Cai Hongyan, Liu Jun, He Xiaoyong, Du Key Labs of Data Engineering and Knowledge Engineering Ministry of Education China School of Information Renmin University of China Beijing China Department of Management Science and Engineering Tsinghua University Beijing China
In many real-world domains, link graph is one of the most effective ways to model the relationships between objects. Measuring the similarity of objects in a link graph is studied by many researchers, but an effective... 详细信息
来源: 评论
AutoPCS: A phrase-based text categorization system for similar texts
AutoPCS: A phrase-based text categorization system for simil...
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Joint International Conference on Advances in data and Web Management, APWeb/WAIM 2009
作者: Li, Zhixu Li, Pei Wei, Wei Liu, Hongyan He, Jun Liu, Tao Du, Xiaoyong Key Labs of Data Engineering and Knowledge Engineering Ministry of Education China School of Information Renmin University of China Beijing China Department of Management Science and Engineering Tsinghua University Beijing China
Nearly all text classification methods classify texts into predefined categories according to the terms appeared in texts. State-of-the-art of text classification prefer to simplely take a word as a term since it perf... 详细信息
来源: 评论